Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 25-06-2019 and time 21:28:39 (Italy) in region 1 km SE Ascoli Piceno (AP)

A magnitude ML 1.0 earthquake occured in region: 1 km SE Ascoli Piceno (AP), on

  • 25-06-2019 19:28:39 (UTC)
  • 25-06-2019 21:28:39 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8430, 13.5840 at 21 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Ascoli Piceno AP 1 49407 49407
Folignano AP 5 9241 58648
Venarotta AP 9 2066 60714
Maltignano AP 9 2401 63115
Roccafluvione AP 9 2010 65125
Appignano del Tronto AP 9 1785 66910
Civitella del Tronto TE 10 5116 72026
Castel di Lama AP 11 8634 80660
Sant'Egidio alla Vibrata TE 11 9811 90471
Castignano AP 11 2796 93267
Palmiano AP 12 196 93463
Rotella AP 13 906 94369
Ancarano TE 13 1857 96226
Castorano AP 13 2380 98606
Offida AP 14 5058 103664
Valle Castellana TE 14 977 104641
Colli del Tronto AP 14 3668 108309
Montedinove AP 14 488 108797
Campli TE 15 7209 116006
Force AP 15 1354 117360
Torano Nuovo TE 16 1611 118971
Acquasanta Terme AP 16 2916 121887
Montalto delle Marche AP 16 2122 124009
Spinetoli AP 16 7215 131224
Rocca Santa Maria TE 18 537 131761
Cossignano AP 18 978 132739
Monsampolo del Tronto AP 18 4611 137350
Comunanza AP 19 3166 140516
Sant'Omero TE 19 5243 145759
Montefalcone Appennino FM 19 424 146183
Nereto TE 19 5242 151425
Controguerra TE 19 2436 153861
Montelparo FM 20 778 154639

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km NW of Teramo (54892 inhabitants)
57 Km N of L'Aquila (69753 inhabitants)
59 Km NW of Montesilvano (53738 inhabitants)
67 Km NW of Pescara (121014 inhabitants)
73 Km NW of Chieti (51815 inhabitants)
73 Km E of Foligno (57155 inhabitants)
83 Km E of Terni (111501 inhabitants)
86 Km S of Ancona (100861 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000 		ML 1.0 2019-06-25
19:28:39		 42.8428 13.5837 21 2019-11-13
14:31:01		 Bollettino Sismico Italiano INGV 72309871
Reviewed
Rev100 		ML 0.9 2019-06-25
19:28:39		 42.8648 13.6302 11 2019-06-25
19:36:22		 Sala Sismica INGV-Roma 69904431
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-06-25 19:28:39 ± 0.11
Latitude 42.8428 ± 0.0045
Longitude 13.5837 ± 0.0061
Depth (km) 21 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 72309871

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 489
Semi-minor axis of confidence ellipse (meter) 115
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 294
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 78
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.11871
Epicentral distance of station farthest from the epicenter (degree) 0.41189
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 69904431
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-06-25 19:36:22

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 72309871
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-09-11 10:35:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2019-06-25T19:28:52.80 0.6 undecidable manual S 269 38.2284 111 0.38 46
IV.SMA1.EHZ. 2019-06-25T19:28:50.90 0.3 undecidable manual S 221 31.0467 116 0.24 71
IV.TERO.HHZ. 2019-06-25T19:28:49.00 0.3 undecidable manual S 176 24.4533 123 -0.13 75
IV.MF5.EHN. 2019-06-25T19:28:48.10 0.6 undecidable manual S 328 18.9699 132 0.13 50
IV.MMO1.EHZ. 2019-06-25T19:28:48.50 0.3 undecidable manual S 287 21.7671 127 -0.05 75
IV.CSP1.EHZ. 2019-06-25T19:28:47.14 0.3 undecidable manual P 312 41.3253 109 -0.17 71
IV.MTRA.EHZ. 2019-06-25T19:28:47.70 0.3 undecidable manual S 238 17.9709 134 -0.07 76
IV.FDMO.HHZ. 2019-06-25T19:28:47.78 0.3 undecidable manual P 298 45.7209 107 -0.17 70
IV.NRCA.HHZ. 2019-06-25T19:28:46.91 0.3 undecidable manual P 269 38.2284 111 0.05 73
IV.TRTR.HHE. 2019-06-25T19:28:45.68 0.3 undecidable manual P 98 27.1506 120 0.37 69
IV.SMA1.EHZ. 2019-06-25T19:28:45.83 0.1 undecidable manual P 221 31.0467 116 -0.01 100
IV.MTRA.EHZ. 2019-06-25T19:28:44.08 0.3 undecidable manual P 238 17.9709 134 -0.1 75
IV.MMO1.EHZ. 2019-06-25T19:28:44.53 0.1 undecidable manual P 287 21.7671 127 -0.09 100
IV.TERO.HHZ. 2019-06-25T19:28:44.74 0.1 positive manual P 176 24.4533 123 -0.22 98
IV.MF5.EHN. 2019-06-25T19:28:44.40 0.1 undecidable manual P 328 18.9699 132 0.11 100
IV.OFFI.HHE. 2019-06-25T19:28:43.70 0.3 undecidable manual P 39 13.1757 143 0.02 77
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHE. ML:1.1 0.0000706 0.36 AML other m 2019-06-25T19:28:48.06
IV.MTRA.EHN. ML:1.0 0.000050299999999999996 1.4 AML other m 2019-06-25T19:28:48.17
IV.TERO.HHN. ML:0.7 0.000026249999999999998 0.6 AML other m 2019-06-25T19:28:49.68
IV.TERO.HHE. ML:0.8 0.00002985 0.44 AML other m 2019-06-25T19:28:50.29
IV.SMA1.EHE. ML:0.9 0.000029400000000000003 0.56 AML other m 2019-06-25T19:28:51.45
IV.SMA1.EHN. ML:0.7 0.00002075 0.84 AML other m 2019-06-25T19:28:52.87
IV.CESI.HHE. ML:1.5 0.0000706 0.16 AML other m 2019-06-25T19:28:53.35
IV.FDMO.HHE. ML:1.0 0.000023 0.52 AML other m 2019-06-25T19:28:53.29
IV.CESI.HHN. ML:1.6 0.0000746 0.08 AML other m 2019-06-25T19:28:53.36
IV.NRCA.HHN. ML:1.1 0.00003915 0.4 AML other m 2019-06-25T19:28:53.19
IV.FDMO.HHN. ML:1.0 0.000026349999999999997 0.4 AML other m 2019-06-25T19:28:53.48
IV.NRCA.HHE. ML:0.9 0.0000252 0.46 AML other m 2019-06-25T19:28:53.31
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download